The Factor-Analytic Approach to Scale Development Yields Instruments

question 5

Multiple Choice

The factor-analytic approach to scale development yields instruments

• A) with scales that do not vary no matter what method of factor analysis is used
• B) with scales that always translate to clinically useful concepts
• C) with psychometric properties generally superior to those constructed by the rational method
• D) none of the above

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Definitions:

Interval

A range of values in statistics that describes the difference between two points, often used in the classification of scales of measurement.

Random Variable

A variable whose values depend on outcomes of a random phenomenon, with each outcome associated with a different value or set of values.

Occurrences

The instances or times that something happens or arises; the frequency of events.

Expected Value

The anticipated value or mean outcome of a variable, calculated as the sum of all possible values each multiplied by its probability of occurrence.